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http://dx.doi.org/10.7840/kics.2015.40.7.1276

Medium Access Control Protocols for Full-Duplex Communications in WLAN Systems: Approaches and Challenges  

Kim, Wonjung (Korea University School of Electrical Engineering)
Song, Taewon (Korea University School of Electrical Engineering)
Kim, Taeyoon (Korea University School of Electrical Engineering)
Pack, Sangheon (Korea University School of Electrical Engineering)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.40, no.7, 2015 , pp. 1276-1285 More about this Journal
Abstract
Full-duplex communications have emerged as a key technology for next-generation wireless local area networks (WLANs). Although the key enabling technology for full-duplex communications is the self-interference cancellation (SIC) technique in the physical layer, the employment of full-duplex communications has huge potentials to substantially increase the throughput at the medium access control (MAC) layer. At the same time, full-duplex communications pose non-trivial challenges to the MAC protocol design. In this article, we first identify salient problems in supporting full-duplex communications in WLAN MAC protocols. After that, we survey the state-of-the art to address those problems and analyze their pros and cons. Finally, we present open research challenges to improve the effectiveness of full-duplex communications in WLANs.
Keywords
full-duplex communication; next-generation WLAN; medium access control (MAC); self-interference cancellation (SIC);
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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